123127840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69959}}^1$

素因数の和:69985

約数の個数: 48

約数和(自身を含む): 317338560

約数和(自身を除く): 194210720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 69959, 139918, 279836, 349795, 559672, 699590, 769549, 1119344, 1399180, 1539098, 2238688, 2798360, 3078196, 3847745, 5596720, 6156392, 7695490, 11193440, 12312784, 15390980, 24625568, 30781960, 61563920, 123127840]

約数ペア:

[(1, 123127840), (2, 61563920), (4, 30781960), (5, 24625568), (8, 15390980), (10, 12312784), (11, 11193440), (16, 7695490), (20, 6156392), (22, 5596720), (32, 3847745), (40, 3078196), (44, 2798360), (55, 2238688), (80, 1539098), (88, 1399180), (110, 1119344), (160, 769549), (176, 699590), (220, 559672), (352, 349795), (440, 279836), (880, 139918), (1760, 69959)]